Electrodes (General Questions)
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      2. Electrodes (General Questions)

      When should I replace my electrode?

      There are many factors that can affect the lifespan of an electrode, but there are general guidelines for different types of electrodes.

      When Should You Replace Your Electrode?
      Electrode Type Frequency
      pH 18 - 24 Months
      ORP 3 Years
      Solid State ISEs 3 Years
      Liquid Membranes for ISEs Quarterly
      Silver Billet Electrodes 3 Years
      Photometric Electrodes 3 Years